Test your basic knowledge |

DSST Physical Sciences Principles

Subjects : dsst, science

Instructions:

Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. All objects with mass are attracted to another by the gravitational force
Heat of fusion
Waste heat for secondary uses
Difference in the sped of light in water vs. air
Newtons first principle of Universal Gravitation

2. The heat involved in the change of phase of phase from solid ice to liquid water is called...
Heat of fusion
Total internal energy of an object
Movement
Means less power is transmitted

3. If a charging elephant has kinetic energy - it must also have...
Newtons second principle of Universal Gravitation
Sulfur
Momentum
Heat of fusion

4. A temperature of -10 degrees celsius is equivalent to...
5 m/s
Twice the work
263 degrees kelvin
Might stay the same

5. In a generator - the flow of electrons (current) is created by...
Waves and particles
Movement
Newtons third principle of Universal Gravitation
Remains unchanged

6. Raising an auto in a service station requires work. Raising it twice as high requires...
5 m/s
Difference in the sped of light in water vs. air
Waste heat for secondary uses
Twice the work

7. Electromagnetic radiation can be viewed as...
Sulfur
Halogen radicals interfering in ozone synthesis
Waves and particles
Remains unchanged

8. The ozone hole results from...
Momentum
Near a maximum
Universal
Halogen radicals interfering in ozone synthesis

9. The gravitational force - two masses are directly proportional to the mass of each object
Third principle of Centripetal force
Newtons second principle of Universal Gravitation
Newtons first principle of Universal Gravitation
5 m/s

10. The weight of one kilogram of iron on earth is...
Less on the moon
Total internal energy of an object
Halogen radicals interfering in ozone synthesis
Increasing speed and constant acceleration

11. From the 50's and to the 70's - the pH of rain in the northeast had..
Total internal energy of an object
Decreased
5 m/s
Waves and particles

12. If the mass of a cart full of groceries decreases of half and its speed doubles - the momentum of the cart...
12 miles per hour
Remains unchanged
Third principle of Centripetal force
Increases the energy

13. Entropy refers to...
Disorder
First principle of Centripetal force
Newtons first principle of Universal Gravitation
263 degrees kelvin

14. Circular motion requires centripetal force
Sulfur
First principle of Centripetal force
Disorder
Remains unchanged

15. A ship travels 3 miles in 15 minutes what is its speed in miles per hour...
First principle of Centripetal force
Heat of fusion
Second principle of Centripetal force
12 miles per hour

16. The gravitational force between two masses is inversely proportional to the square of the distance between those two objects.
Waste heat for secondary uses
Newtons third principle of Universal Gravitation
Twice the work
Third principle of Centripetal force

17. When you add heat to a substance - its temperature...
Waves and particles
Mechanical - chemical - and radiant energy
Might stay the same
First principle of Centripetal force

18. In burning coal - what contaminant is of major concern as a pollutant...
Increasing speed and constant acceleration
Sulfur
Less on the moon
Twice the work

19. Heat is the...
Twice the work
Difference in the sped of light in water vs. air
Mechanical - chemical - and radiant energy
Total internal energy of an object

20. Which is not one of the fundamental forces of nature...
Universal
Difference between the heat supplied and the heat exhausted
Second principle of Centripetal force
Newtons first principle of Universal Gravitation

21. Neglecting air resistance - a ball in free fall near the earth's surface will have...
Momentum
Mechanical - chemical - and radiant energy
Increasing speed and constant acceleration
Sulfur

22. The theoretical production curve of oil indicates oil production is...
263 degrees kelvin
Halogen radicals interfering in ozone synthesis
Decreased
Near a maximum

23. The larger the centripetal force - the faster an object travels in a circle of a given size
Second principle of Centripetal force
Halogen radicals interfering in ozone synthesis
Decreased
Difference in the sped of light in water vs. air

24. Increasing the frequency of light
First principle of Centripetal force
5 m/s
Momentum
Increases the energy

25. The work that a heat engine is able to accomplish is ideally equivalent to the
Halogen radicals interfering in ozone synthesis
Difference between the heat supplied and the heat exhausted
Sulfur
Twice the work

26. Electric power companies step up the voltage of generated power for transmission across the country because higher voltage...
Means less power is transmitted
263 degrees kelvin
Newtons first principle of Universal Gravitation
Disorder

27. A 5 kg fish that is swimming toward it at a velocity that brings both fish to a halt. What is the speed of the smaller fish?
5 m/s
12 miles per hour
Remains unchanged
Second principle of Centripetal force

28. The reason that a spear fisherman cannot see where the fish is actually located is...
Difference in the sped of light in water vs. air
Waste heat for secondary uses
Universal
263 degrees kelvin

29. At a given speed - the centripetal force - the smaller the circle.
Third principle of Centripetal force
Total internal energy of an object
Waste heat for secondary uses
Disorder

30. cogeneration uses...
Waste heat for secondary uses
Movement
Might stay the same
Universal

31. Electrical energy can be converted to...
Movement
12 miles per hour
Mechanical - chemical - and radiant energy
Total internal energy of an object